21.1

What's Changed

• Update branch names in release process in #444
• Update changelog for 21.0 in #449
• tags: make _platform_tags public in #446
• Add support for Python 3.10 in #461
• Update PyPy CI Specifier in #467
• Limit pyparsing to major version 2 in #471

New Contributors

• @moyiz made their first contribution in #471

Full Changelog: 21.0...21.1

21.0

• PEP 656: musllinux support (:issue:411)
• Drop support for Python 2.7, Python 3.4 and Python 3.5.
• Replace distutils usage with sysconfig (:issue:396)
• Add support for zip files in parse_sdist_filename (:issue:429)
• Use cached _hash attribute to short-circuit tag equality comparisons (:issue:417)
• Specify the default value for the specifier argument to SpecifierSet (:issue:437)
• Proper keyword-only "warn" argument in packaging.tags (:issue:403)
• Correctly remove prerelease suffixes from ~= check (:issue:366)
• Fix type hints for Version.post and Version.dev (:issue:393)
• Use typing alias UnparsedVersion (:issue:398)
• Improve type inference for packaging.specifiers.filter() (:issue:430)
• Tighten the return type of canonicalize_version() (:issue:402)

Release 20.9

• Run isort over the code base (:issue:377)
• Add support for the macosx_10_*_universal2 platform tags (:issue:379)
• Introduce packaging.utils.parse_wheel_filename() and parse_sdist_filename() (:issue:387 and :issue:389)

Release 20.8

• Revert back to setuptools for compatibility purposes for some Linux distros (:issue:363)
• Do not insert an underscore in wheel tags when the interpreter version number
  is more than 2 digits (:issue:372)

20.7

Release 20.7

20.6

Release 20.6

20.5

Release 20.5

20.4

Release 20.4

20.3

Release 20.3

20.2

Release 20.2